1 files changed, 85 insertions, 0 deletions
diff --git a/plugin_loader/injector.py b/plugin_loader/injector.py
new file mode 100644
index 00000000..771d5c51
--- /dev/null
+++ b/plugin_loader/injector.py
@@ -0,0 +1,85 @@
+#Injector code from https://github.com/SteamDeckHomebrew/steamdeck-ui-inject. More info on how it works there.
+
+from aiohttp import ClientSession
+from logging import info
+from asyncio import sleep
+
+BASE_ADDRESS = "http://localhost:8080"
+
+class Tab:
+    def __init__(self, res) -> None:
+        self.title = res["title"]
+        self.id = res["id"]
+        self.ws_url = res["webSocketDebuggerUrl"]
+
+        self.websocket = None
+        self.client = None
+
+    async def open_websocket(self):
+        self.client = ClientSession()
+        self.websocket = await self.client.ws_connect(self.ws_url)
+    
+    async def listen_for_message(self):
+        async for message in self.websocket:
+            yield message
+
+    async def _send_devtools_cmd(self, dc, receive=True):
+        if self.websocket:
+            await self.websocket.send_json(dc)
+            return (await self.websocket.receive_json()) if receive else None
+        raise RuntimeError("Websocket not opened")
+
+    async def evaluate_js(self, js):
+        await self.open_websocket()
+        res = await self._send_devtools_cmd({
+            "id": 1,
+            "method": "Runtime.evaluate",
+            "params": {
+                "expression": js,
+                "userGesture": True
+            }
+        })
+        await self.client.close()
+        return res
+        
+    async def get_steam_resource(self, url):
+        await self.open_websocket()
+        res = await self._send_devtools_cmd({
+            "id": 1,
+            "method": "Runtime.evaluate",
+            "params": {
+                "expression": f'(async function test() {{ return await (await fetch("{url}")).text() }})()',
+                "userGesture": True,
+                "awaitPromise": True
+            }
+        })
+        await self.client.close()
+        return res["result"]["result"]["value"]
+    
+    def __repr__(self):
+        return self.title
+
+async def get_tabs():
+    async with ClientSession() as web:
+        res = {}
+
+        while True:
+            try:
+                res = await web.get("{}/json".format(BASE_ADDRESS))
+                break
+            except:
+                print("Steam isn't available yet. Wait for a moment...")
+                await sleep(5)
+
+        if res.status == 200:
+            res = await res.json()
+            return [Tab(i) for i in res]
+        else:
+            raise Exception("/json did not return 200. {}".format(await res.text()))
+
+async def inject_to_tab(tab_name, js):
+    tabs = await get_tabs()
+    tab = next((i for i in tabs if i.title == tab_name), None)
+    if not tab:
+        raise ValueError("Tab {} not found in running tabs".format(tab_name))
+    info(await tab.evaluate_js(js))